20A Solar Charge Controller 12V 24V LCD Display USB 5V Solar Regulator
20A Solar Charge Controller 12V 24V LCD Display USB 5V Solar Regulatorsolar controller 20asolar controller 20asolar controller 20a

RTD-20A 20A 12/24V Solar Charge Controller with LCD Display USB 5V Y-Solar

CODE: RTD-20A

List price: $9.65  

$7.95

You save: $1.70 (18%)
-18%
In stock

Our quantity discounts:

Quantity  10+   50+ 
Price  $7.80   $7.40 

 20A Solar Charge Controller 12V 24V LCD Display USB 5V Solar Panel Charge Regulator RTD-20A Y-Solar

Now you can get RTD-40A solar charge controller now!

which has best price for 40A solar controller!

you also can choose Voltage Settable one

 CM20K-40A for Voltage Adjustable and Light Timer Controller 

User’s Manual

SAFETY INSTRUCTIONS

1.Make sure your battery has enough voltage for the controller to recognize the battery type before first installation.

2.The battery cable should be as short as possible to minimize loss.

3.The regulator is only suitable for lead acid batteries: OPEN,AGM, GEL

it is not suited for nickel metal hydride, lithium ions or other batteries.

4.The charge regulator is only suitable for regulating solar modules. Never connect another charging source to the charge regulator.

PRODUCT FEATURES

1.Build-in industrial micro controller.

2.Big LCD display,all adjustable parameter.

3.Fully 4-stage PWM charge management.

4.Build-in short-circuit protection,open-circuit protection,reverse protection,over-load protection.

5.Dual mosfet Reverse current protection ,low heat production.

 

LCD DISPLAY/KEY

 

SYSTEM CONNECTION

1.Connect the battery to the charge regulator - plus and minus.

2.Connect the photovoltaic module to the regulator - plus and minus.

3. Connect the consumer to the charge regulator - plus and minus.

The reverse order applies when deinstalling!

An improper sequence order can damage the controller!

TROUBLE SHOOTING  

 

 

Situation

Probable cause

Solution

Charge icon not on when sunny

Solar panel opened or reversed 

Reconnect 

Load icon off

Mode setting wrong

Set again

 

Battery low

recharge

Load icon slow flashing

Over load

Reduce load watt

Load icon slow flashing

Short circuit protection

Auto reconnect

Power off

Battery too low/reverse

Check battery/connection

 

TECHNICAL PARAMETER  

 

MODEL

RTD1210

RTD1220

RTD1230

RTD4810

RLD4820

Batt voltage

12V/24V auto

48V

Charge current

10A

20A

30A

10A

20A

Discharge current

10A

20A

30A

10A

20A

Max Solar input

<50V

<80V

Buck charge

14.5V

Float charge

13.7V

Discharge stop

10.7V

Discharge reconnect

12.6V

USB output

5V/0.8A

Self-consume

<10mA

Control mode

PWM 

Operating temperature

-35~+60 °C 

Size/Weight

150*78*35mm /150g

*all red color voltage X2 ,X4 while using 24V /48V system.

*Product specifications are subject to change without prior notice.


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